Used to ask the interlocutor whether or not he/she has met the speaker before.

Used by the speaker to compliment the interlocutor's eyes.

Used to ask whether somebody is a parent of children.

A request for help.

Asked mostly by doctors and nurses to ascertain whether certain medications should not be given to patients.

Asked mostly by doctors and nurses to ascertain whether certain drugs should not be given to patients, as they may interact adversely with other medications.

Used to ask whether the interlocutor believes in God.

Used to ask whether the interlocutor has a boyfriend.

(idiomatic) between you and me

Used to ask where the person lives.